|
|
|
#include <stdio.h>
|
|
|
|
#include "battery.h"
|
|
|
|
#include <filesystem.h>
|
|
|
|
|
|
|
|
namespace fs = ghc::filesystem;
|
|
|
|
|
|
|
|
int BatteryStats::numBattery() {
|
|
|
|
int batteryCount = 0;
|
|
|
|
if (!fs::exists("/sys/class/power_supply/")) {
|
|
|
|
return batteryCount = 0;
|
|
|
|
}
|
|
|
|
fs::path path("/sys/class/power_supply/");
|
|
|
|
for (auto& p : fs::directory_iterator(path)) {
|
|
|
|
string fileName = p.path().filename();
|
|
|
|
if (fileName.find("BAT") != std::string::npos) {
|
|
|
|
batteryCount += 1;
|
|
|
|
battPath.push_back(p.path());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return batteryCount;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void BatteryStats::update() {
|
|
|
|
if (numBattery() > 0) {
|
|
|
|
if (numBattery() == 1) {
|
|
|
|
current_watt = getPower(0);
|
|
|
|
current_percent = getPercent(0) * 100;
|
|
|
|
}
|
|
|
|
|
|
|
|
else if (numBattery() == 2) {
|
|
|
|
float bat1_power = getPower(0);
|
|
|
|
float bat2_power = getPower(1);
|
|
|
|
getPercent(0);
|
|
|
|
getPercent(1);
|
|
|
|
//bat_percent[][] = [bat1 or 2] [power now or power full]
|
|
|
|
|
|
|
|
float energy=bat_percent[0][0] + bat_percent[1][0];
|
|
|
|
float energy_full=bat_percent[0][1] + bat_percent[1][1];
|
|
|
|
current_watt = (bat1_power + bat2_power);
|
|
|
|
current_percent = (energy / energy_full) * 100;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
float BatteryStats::getPercent(int num)
|
|
|
|
{
|
|
|
|
string syspath = battPath[num];
|
|
|
|
string charge_now = syspath + "/charge_now";
|
|
|
|
string charge_full = syspath + "/charge_full";
|
|
|
|
string energy_now = syspath + "/energy_now";
|
|
|
|
string energy_full = syspath + "/energy_full";
|
|
|
|
string capacity = syspath + "/capacity";
|
|
|
|
|
|
|
|
if (fs::exists(charge_now)) {
|
|
|
|
float charge_n = 0;
|
|
|
|
float charge_f = 0;
|
|
|
|
|
|
|
|
std::ifstream input(charge_now);
|
|
|
|
std::string line;
|
|
|
|
if(std::getline(input, line)) {
|
|
|
|
charge_n = (stof(line) / 1000000);
|
|
|
|
bat_percent[num][0]=charge_n;
|
|
|
|
}
|
|
|
|
|
|
|
|
std::ifstream input2(charge_full);
|
|
|
|
if(std::getline(input2, line)) {
|
|
|
|
charge_f = (stof(line) / 1000000);
|
|
|
|
bat_percent[num][1]=charge_f;
|
|
|
|
}
|
|
|
|
|
|
|
|
return (charge_n / charge_f);
|
|
|
|
}
|
|
|
|
|
|
|
|
else if (fs::exists(energy_now)) {
|
|
|
|
float energy_n = 0;
|
|
|
|
float energy_f = 0;
|
|
|
|
|
|
|
|
std::ifstream input(energy_now);
|
|
|
|
std::string line;
|
|
|
|
if(std::getline(input, line)) {
|
|
|
|
energy_n = (stof(line) / 1000000);
|
|
|
|
bat_percent[num][0]=energy_n;
|
|
|
|
}
|
|
|
|
|
|
|
|
std::ifstream input2(energy_full);
|
|
|
|
if(std::getline(input2, line)) {
|
|
|
|
energy_f = (stof(line) / 1000000);
|
|
|
|
bat_percent[num][1]=energy_f;
|
|
|
|
}
|
|
|
|
|
|
|
|
return (energy_n / energy_f);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
else {
|
|
|
|
float percent=0;
|
|
|
|
// using /sys/class/power_supply/BAT*/capacity
|
|
|
|
// No way to get an accurate reading just average the percents if mutiple batteries
|
|
|
|
std::ifstream input(capacity);
|
|
|
|
std::string line;
|
|
|
|
if(std::getline(input, line)) {
|
|
|
|
percent = stof(line) / 100;
|
|
|
|
bat_percent[num][0]=percent;
|
|
|
|
bat_percent[num][1]=1.0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return percent;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
float BatteryStats::getPower(int batt_num) {
|
|
|
|
string syspath = battPath[batt_num];
|
|
|
|
string current_power = syspath + "/current_now";
|
|
|
|
string current_voltage = syspath + "/voltage_now";
|
|
|
|
string power_now = syspath + "/power_now";
|
|
|
|
|
|
|
|
if (isCharging()) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
else if (fs::exists(current_power)) {
|
|
|
|
float current = 0;
|
|
|
|
float voltage = 0;
|
|
|
|
|
|
|
|
std::ifstream input(current_power);
|
|
|
|
std::string line;
|
|
|
|
|
|
|
|
if(std::getline(input,line)) {
|
|
|
|
current = (stof(line) / 1000000);
|
|
|
|
}
|
|
|
|
std::ifstream input2(current_voltage);
|
|
|
|
if(std::getline(input2, line)) {
|
|
|
|
voltage = (stof(line) / 1000000);
|
|
|
|
}
|
|
|
|
|
|
|
|
return current * voltage;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
float power = 0;
|
|
|
|
std::ifstream input(power_now);
|
|
|
|
std::string line;
|
|
|
|
if(std::getline(input,line)) {
|
|
|
|
power = (stof(line) / 1000000);
|
|
|
|
}
|
|
|
|
|
|
|
|
return power;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
bool BatteryStats::isCharging() {
|
|
|
|
for(int i =0; i < 2; i++) {
|
|
|
|
string syspath = battPath[i];
|
|
|
|
string status = syspath + "/status";
|
|
|
|
std::ifstream input(status);
|
|
|
|
std::string line;
|
|
|
|
|
|
|
|
if(std::getline(input,line)) {
|
|
|
|
current_status= line;
|
|
|
|
state[i]=current_status;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for(int i =0; i < 2; i++) {
|
|
|
|
if (state[i] == "Charging") {
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return false;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
bool BatteryStats::fullCharge(){
|
|
|
|
//check if both batteries are fully charged
|
|
|
|
int charged =0;
|
|
|
|
for(int i =0; i < 2; i++) {
|
|
|
|
if (state[i] == "Full") {
|
|
|
|
charged +=1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (charged == 2) {
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
else {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
BatteryStats Battery_Stats;
|